package Servlets;

import Herramientas.Herramientas;
import SistemaDAOS.ServiciosDAO;
import SistemaDTOS.UsersDTO;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.Vector;
import javax.servlet.RequestDispatcher;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

/**
 *
 * @author Alan Gonzalez
 */
@WebServlet(name = "Main", urlPatterns = {"/Main"})
public class Main extends HttpServlet {

    /**
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code>
     * methods.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");
        PrintWriter out = response.getWriter();
        try {
            HttpSession session = request.getSession();
            String Action = request.getParameter("action");
            Vector errores = new Vector();
            if (Action.equals("principal")) {
                session.setAttribute("loginUp", "UpUserUp"); // cadena de validacion
                
                // BAJANDO DE SESION EL RECORD DEL USUARIO LOGEADO //
                UsersDTO userUp = (UsersDTO) session.getAttribute("userUpDTO");
                ServiciosDAO servicios = new ServiciosDAO();
                Herramientas h = new Herramientas();
                
                Vector menu = new Vector();
                Vector serviciosAsignados  = new Vector();
                // aqui se separa los caracteres de la cadena de servicios asignados al suario y se transforma en un vector
                // este es esclusivamente la cadena de servicios pero convertida a cada numero un valor 
                serviciosAsignados = h.cadena_vector(userUp.getServiciosAsignados().toString());
                menu =  servicios.MenuServicios(serviciosAsignados, userUp.getNivelSeguridad());
                session.setAttribute("menuEstructura", menu);
                
          
                RequestDispatcher d = request.getRequestDispatcher("./SistemaJSP/principal.jsp");
                d.forward(request, response);
            } else if (Action.equals("logout")) {
                RequestDispatcher d = request.getRequestDispatcher("./");
                d.forward(request, response);
                request.logout();
                session.invalidate();
                
            } else if (Action.equals("errorlogin")) {
                String errorlogin = "DATOS ERRONEOS FAVOR DE VERIFICAR";
                session.setAttribute("errorlogin", errorlogin);
                response.sendRedirect("index.jsp");
            }
        } finally {
            out.close();
        }
    }
    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /**
     * Handles the HTTP <code>GET</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Handles the HTTP <code>POST</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Returns a short description of the servlet.
     *
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>
}
